HP HP-67 - Page 239

Using the I-Register for Indirect Control 235
For example, suppose you had quantities A, A, A3, A4, A5 stored
in primary storage registers R, through Rs, and quantities B, B,, B,
By, and Bj; stored in secondary storage registers Rg, through Rgs.
If you wanted to find the average value of: Ay A A
B, B, B,
(where n =35, in this case) you could use and (57) in con-
junction with the function as shown in the program below.
To key in the program:
Slide the W/PRGM-RUN switch wrrcM [[[[IllRuN to W/PRGM.
Press Display
o
o
5
o Sets number of iterations
through loop.
0
0
0@ s
o
008
35
72|
|
A,
and
B,
brought
into
0
Y-
and
X-registers
and
RcL
M)
010
34
24|
|
displayed.
o
a 012 81
a 013 31 42| Original contents of
secondary storage
registers restored to those
registers.
0 Total stored and updated
in register R,.
0=z 015 31 33
J